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113 results for “Ant ecology”
Foraging and spatial ecology of a polydomous carpenter ant (Camponotus leydigi) in tropical cerrado savanna: A natural history account
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FIGURE 50 in The Higher Classification of the Ant Subfamily Ponerinae (Hymenoptera: Formicidae), with a Review of Ponerine Ecology and Behavior
FIGURE 50. Worker caste of Rasopone ferruginea: lateral and dorsal view of body and full-face view of head (CASENT0249143, Ryan Perry and www.antweb.org); world distribution of Rasopone.
FIGURE 43 in The Higher Classification of the Ant Subfamily Ponerinae (Hymenoptera: Formicidae), with a Review of Ponerine Ecology and Behavior
FIGURE 43. Worker caste of Diacamma australe: lateral and dorsal view of body and full-face view of head (CASENT0172071, April Nobile and www.antweb.org); world distribution of Diacamma.
FIGURE 44 in The Higher Classification of the Ant Subfamily Ponerinae (Hymenoptera: Formicidae), with a Review of Ponerine Ecology and Behavior
FIGURE 44. Worker caste of Ectomomyrmex ruficornis: lateral and dorsal view of body and full-face view of head (CASENT0172434, April Nobile and www.antweb.org); world distribution of Ectomomyrmex.
FIGURE 39 in The Higher Classification of the Ant Subfamily Ponerinae (Hymenoptera: Formicidae), with a Review of Ponerine Ecology and Behavior
FIGURE 39. Worker caste of Plectroctena cryptica: lateral and dorsal view of body and full-face view of head (Ivory Coast, G.Alpert, MCZC); world distribution of Plectroctena.
FIGURE 47 in The Higher Classification of the Ant Subfamily Ponerinae (Hymenoptera: Formicidae), with a Review of Ponerine Ecology and Behavior
FIGURE 47. Worker caste of Parvaponera darwinii: lateral and dorsal view of body and full-face view of head (CASENT0172437, April Nobile and www.antweb.org); world distribution of Parvaponera.
FIGURE 27 in The Higher Classification of the Ant Subfamily Ponerinae (Hymenoptera: Formicidae), with a Review of Ponerine Ecology and Behavior
FIGURE 27. Worker caste of Belonopelta deletrix: lateral and dorsal view of body and full-face view of head (CASENT0260514, Shannon Hartman and www.antweb.org); world distribution of Belonopelta.
FIGURE 28 in The Higher Classification of the Ant Subfamily Ponerinae (Hymenoptera: Formicidae), with a Review of Ponerine Ecology and Behavior
FIGURE 28. Worker caste of Dinoponera australis: lateral and dorsal view of body and full-face view of head (CASENT0173381, April Nobile and www.antweb.org); world distribution of Dinoponera australis.
FIGURE 16 in The Higher Classification of the Ant Subfamily Ponerinae (Hymenoptera: Formicidae), with a Review of Ponerine Ecology and Behavior
FIGURE 16. Worker caste of Megaponera analis: lateral and dorsal view of body and full-face view of head (CASENT0249196, Estella Ortega and www.antweb.org); world distribution of Megaponera.
FIGURE 20 in The Higher Classification of the Ant Subfamily Ponerinae (Hymenoptera: Formicidae), with a Review of Ponerine Ecology and Behavior
FIGURE 20. Worker caste of Odontoponera transversa: lateral and dorsal view of body and full-face view of head (CASENT0249126, Ryan Perry and www.antweb.org); world distribution of Odontoponera.
Figure 13 in Is mimicry a diversification-driver in ants? Biogeography, ecology, ethology, genetics and morphology define a second West-Palaearctic Colobopsis species (Hymenoptera: Formicidae)
Figure 13. Above Cr. scutellaris and species showing a similar chromatic pattern that were collected near Cr. scutellaris trails in Sicily (Italy): A, Co. imitans (worker from Mondello); B, Ca. lateralis (worker from Monte Pellegrino); C, Gelis sp. (Hymenoptera: Braconidae) from Monte Petroso; D, Cr. scutellaris from Levanzo island; E, Phrurolithus sp. (Araneae: Phrurolitidae) from Mondello; F, Ca. ruber (worker from Monte Pellegrino); G, Leptorchestes sp. (Araneae: Salticidae) from Monte Petroso. Below, D. quadripunctatus and species with a similar chromatic pattern collected near its trails or in the same trees in mainland Italy: H, Co. truncata (specimen from Bulgaria, AntWeb code CASENT0280000, photographer Michele Esposito); I, D. quadripunctatus (specimen from Czech Republic, AntWeb code CASENT0179916, photographer Michele Esposito); J, Formicomus pedestris (Rossi, 1790) (Coleoptera: Anthicidae) from Parma (Italy).
FIG. 3 in Foraging ecology of the giant Amazonian ant Dinoponera gigantea (Hymenoptera, Formicidae, Ponerinae): activity schedule, diet and spatial foraging patterns
FIG. 3. Frequency distribution of the dry weights of food items (N=66) retrieved by Dinoponera gigantea foragers in a secondary rainforest, north Brazil.
Foraging and spatial ecology in a competitive environment: Polydomous carpenter ants (Camponotus leydigi) in a tropical savanna
<p>Carpenter ants (genus <i>Camponotus</i>) are considered to be predominantly omnivorous, mixing several feeding habits that include predation, scavenging of animal matter, and plant-derived resources. Nitrogen acquisition is crucial for the nutritional ecology of ant colonies since growing larvae require sustainable protein provisioning. Here, we investigate the foraging ecology and the spatial nesting structure of the carpenter ant <i>Camponotus leydigi</i> in Brazilian cerrado savanna. By marking workers from different nests with distinct colors, we revealed that <i>C. leydigi</i> occupies physically separated but socially connected nests (up to 30 m apart), a phenomenon known as polydomy. Data on internest movements in <i>C. leydigi</i> corroborate cooperative exchanges between nest units and confirm several types of social connections, including internest transfer of liquid and solid food, transport of colony members (brood, workers), movement of solitary workers, and internest recruitment. Polydomous <i>C. leydigi</i> allocate foragers throughout 1,700 m<sup>2</sup>, feeding mostly on termites and plant-derived exudates. Influx of exudates is threefold higher compared to solid food. Uric acid pellets excreted by lizards comprise 20% of the solid diet in <i>C. leydigi</i>, a first quantitative assessment of this peculiar type of nitrogen complementation in ants. We hypothesize that nest decentralization in <i>C. leydigi</i> may reduce foraging constraints caused by overt interference by its main competitor, the aggressive ant <i>Ectatomma brunneum</i> that regularly blocks nest entrances. Our field study enhances the importance of natural history data to clarify selective pressures underlying the evolution of particular behavioral patterns (nutritional and nesting habits) in social insects.</p>
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